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Using coupled-cluster theory and interactions from chiral effective field theory, we compute overlap functions for transfer and scattering of low-energy protons on the target nucleus 40-Ca. Effects of three-nucleon forces are included…

Nuclear Theory · Physics 2012-08-14 G. Hagen , N. Michel

High momentum transfer electrodisintegration of polarized and unpolarized deuterium targets, $d(e,e'p)n$ is studied. We show that the importance of final state interactions-FSI, occuring when a knocked out nucleon interacts with the other…

Nuclear Theory · Physics 2010-11-01 L. L. Frankfurt , W. R. Greenberg , G. A. Miller , M. M. Sargsyan , M. I. Strikman

Two-photon exchange (TPE) contributions to elastic electron-proton scattering in the forward regime are considered. The imaginary part of TPE amplitude in these kinematics is related to the DIS nucleon structure functions. The real part of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mikhail Gorchtein

The proton-inelastic scattering from $^{6,8}$He and $^{7,11}$Li nuclei are studied in a folding model approach. A finite-range, momentum, density and isospin dependent nucleon-nucleon interaction (SBM) is folded with realistic density…

Nuclear Theory · Physics 2008-11-26 D. Gupta , C. Samanta

Generative AI is a fast-growing area of research offering various avenues for exploration in high-energy nuclear physics. In this work, we explore the use of generative models for simulating electron-proton collisions relevant to…

High Energy Physics - Phenomenology · Physics 2024-08-14 Peter Devlin , Jian-Wei Qiu , Felix Ringer , Nobuo Sato

Relativistic calculations for the quasifree electron scattering process (e, e'p) and the direct knockout contribution to (gamma, p) reactions are presented. The spectroscopic factors determined from the former reaction are used to fix the…

Nuclear Theory · Physics 2009-10-30 J. I. Johansson , H. S. Sherif , G. M. Lotz

The proton structure function is re-deduced from the data of deep inelastic electron-proton scattering after enhanced correction that is made due to the multiple scattering effect. The Glauber approach is used to account for the multiple…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. M. Hassan , W. R. El-Harby , R. W. El-Moualed And M. T. Hussein

Results are presented for the elastic scattering of electrons and protons from the exotic He and Li isotopes. Comparison with scattering results from the stable He and Li nuclei allows for an investigation into the effects that the…

Nuclear Theory · Physics 2007-05-23 S. Karataglidis , K. Amos

We relate ordinary and skewed parton distributions to soft overlap contributions to elastic form factors and large angle Compton scattering, using light-cone wave functions in a Fock state expansion of the nucleon. With a simple ansatz for…

High Energy Physics - Phenomenology · Physics 2011-09-13 M. Diehl , T. Feldmann , R. Jakob , P. Kroll

We report a significant improvement of an approximate method of including electron Coulomb distortion in electron induced reactions at momentum transfers greater than the inverse of the size of the target nucleus. In particular, we have…

Nuclear Theory · Physics 2009-10-31 K. S. Kim , L. E. Wright

Data from H1 and ZEUS on the structure and the quark and gluon densities of the proton are discussed. A brief excursion is made into the field of inclusive diffraction by deep inelastic scattering. The comparison of e- p and e+ p scattering…

High Energy Physics - Experiment · Physics 2014-11-17 Guenter Wolf

We present the first calculations of proton elastic and inelastic scattering in which the Pauli blocking operator contains the leading non-spherical components as well as the usual spherical (angle-averaged) part. We develop a formalism for…

Nuclear Theory · Physics 2009-11-10 E. J. Stephenson , R. C. Johnson , F. Sammarruca

We systematically calculate the total reaction cross sections of oxygen isotopes, $^{15-24}$O, on a $^{12}$C target at high energies using the Glauber theory. The oxygen isotopes are described with Slater determinants generated from a…

Nuclear Theory · Physics 2009-06-25 B. Abu-Ibrahim , S. Iwasaki , W. Horiuchi , A. Kohama , Y. Suzuki

We examine the two-photon exchange corrections to elastic electron-proton scattering within a dispersive approach, including contributions from both Nucleon and Delta intermediate states. The dispersive analysis avoids off-shell…

Nuclear Theory · Physics 2017-06-21 P. G. Blunden , W. Melnitchouk

High energy $pp$ and $p\bar p$ elastic scattering is treated in the framework of Additive Quark Model. The reasonable agreement with experimental data is achieved with the natural parameters for the strong matter distribution inside proton.

High Energy Physics - Phenomenology · Physics 2015-06-19 Yu. M. Shabelski , A. G. Shuvaev

The treatment of elastic final state interactions (FSI) under a symmetry group is presented. The proposed model is based on Watson's theorem, i.e. on symmetry properties of the S-matrix and on its unitarity. This theorem provides an easy…

High Energy Physics - Phenomenology · Physics 2011-09-13 Christopher Smith

Measurements of the ratio of the proton elastic form factors ($\mu_pG_E/G_M$) using Rosenbluth separation and those using polarization-based techniques show a strong discrepancy, which increases as a function of $Q^2$. The contribution of…

Nuclear Experiment · Physics 2017-12-07 Brian S. Henderson

The charge-exchange reaction pd -> npp at 1 GeV projectile proton energy is studied. This reaction is considered in a special kinematics, when the transfer momentum from the beam proton to fast outgoing neutron is close to zero. Our…

Nuclear Theory · Physics 2007-05-23 N. B. Ladygina , A. V. Shebeko

The ratio of the proton elastic electromagnetic form factors, $G_{Ep}/G_{Mp}$, was obtained by measuring $P_{t}$ and $P_{\ell}$, the transverse and longitudinal recoil proton polarization components, respectively, for the elastic $\vec e p…

Nuclear Experiment · Physics 2014-11-18 V. Punjabi , C. F. Perdrisat

Real or virtual photons are excellent probes of nuclear structure, with a strong sensitivity to gluon distributions. Photonic reactions can be studied using ultra-peripheral collisions or at an electron-ion collider. Final states like…

High Energy Physics - Experiment · Physics 2024-01-17 Spencer R. Klein